AC DC Converters

Image Part Number Description / PDF Quantity Rfq
RAC04-3.3SGB

RAC04-3.3SGB

RECOM Power

AC/DC CONVERTER 3.3V 4W

1039

RAC04-15SGB

RAC04-15SGB

RECOM Power

AC/DC CONVERTER 15V 4W

427

RAC04-3.3SC

RAC04-3.3SC

RECOM Power

AC/DC CONVERTER 3.3V 4W

11

RAC3.5-15SK/277

RAC3.5-15SK/277

RECOM Power

AC/DC CONVERTER 15V 3.5W

9

RAC05-12SC

RAC05-12SC

RECOM Power

AC/DC CONVERTER 12V 5W

136

RAC03-12SK

RAC03-12SK

RECOM Power

AC/DC CONVERTER 12V 3W

218

RAC01-24SC

RAC01-24SC

RECOM Power

AC/DC CONVERTER 24V 1W

19

RAC03-24SGA

RAC03-24SGA

RECOM Power

AC/DC CONVERTER 24V 3W

483

RAC04-05SGA

RAC04-05SGA

RECOM Power

AC/DC CONVERTER 5V 4W

0

RACM40-12SK-T

RACM40-12SK-T

RECOM Power

40W AC/DC-CONVERTER 'POWERLINE'

11

RAC03-05SE/277

RAC03-05SE/277

RECOM Power

AC/DC CONVERTER 5V 3W

318

RAC05-24SK

RAC05-24SK

RECOM Power

AC/DC CONVERTER 24V 5W

547

RAC04-15SC

RAC04-15SC

RECOM Power

AC/DC CONVERTER 15V 4W

55

RAC04-12DC/277

RAC04-12DC/277

RECOM Power

AC/DC CONVERTER +/-12V 4W

96

RAC10-05SB

RAC10-05SB

RECOM Power

AC/DC CONVERTER 5V 10W

52

RAC05-05SK

RAC05-05SK

RECOM Power

AC/DC CONVERTER 5V 5W

0

RAC04-12SC/277

RAC04-12SC/277

RECOM Power

AC/DC CONVERTER 12V 4W

97

RAC20-15SK/277

RAC20-15SK/277

RECOM Power

20W AC/DC-CONVERTER 'POWERLINE'

89

RAC04-24SK/277

RAC04-24SK/277

RECOM Power

AC/DC CONVERTER 24V 4W

67

RAC20-3.3SN

RAC20-3.3SN

RECOM Power

AC/DC CONVERTER 3.3V 12W

13

AC DC Converters

1. Overview

Board mount AC DC converters are electronic devices that convert alternating current (AC) from mains power to direct current (DC) at required voltage levels. These components are critical in modern electronics, enabling power supply to printed circuit boards (PCBs) across diverse applications. They ensure safe voltage transformation, electrical isolation, and stable power delivery in compact form factors.

2. Main Types & Functionality

TypeFunctional CharacteristicsApplication Examples
Isolated AC-DC ConvertersProvide galvanic isolation between input and output circuitsMedical equipment, industrial controllers
Non-Isolated AC-DC ConvertersDirect connection between input and output with shared groundConsumer electronics, LED lighting
Modular AC-DC ConvertersStandardized footprints with integrated EMI filteringTelecom infrastructure, test equipment

3. Structure & Components

Typical construction includes: - Die-cast aluminum housing with heat dissipation fins - PCB assembly with bridge rectifier, PFC circuitry, and switching MOSFETs - Transformer for voltage conversion and isolation - Output capacitors and voltage regulation ICs - Safety-certified insulation barriers between primary/secondary sides

4. Key Technical Parameters

ParameterDescription & Importance
Input Voltage Range90-264VAC (global compatibility)
Output Power3-500W (determines load capacity)
Efficiency85-94% (impacts thermal management)
Isolation Voltage1500-3000VAC (safety compliance)
Operating Temperature-40 C to +85 C (environmental reliability)

5. Application Fields

Key industries include: - Industrial automation (PLC systems, motor drives) - Medical devices (patient monitors, diagnostic equipment) - IT infrastructure (servers, data storage) - Smart home systems (HVAC controllers, security devices) - Renewable energy systems (solar inverters, battery storage)

6. Leading Manufacturers

ManufacturerRepresentative Product
TDK-LambdaDRB-25-24 (25W medical-grade converter)
Mean WellIRM-10-05 (10W industrial power supply)
CUI IncPBO-10-12 (10W open-frame converter)
RECOM PowerRAC05-05SK/277 (5W industrial converter)

7. Selection Guidelines

Key considerations: - Match input/output requirements with system specifications - Verify safety certifications (UL, CE, IEC60601) - Evaluate thermal management needs - Consider PCB layout constraints - Balance cost vs reliability requirements

8. Industry Trends

Emerging developments: - Increased efficiency targets (>94%) through GaN/SiC technology - Miniaturization with planar magnetics integration - Smart converters with digital monitoring interfaces - Enhanced EMC performance for IoT applications - Energy harvesting compatibility in low-power designs

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